Add the Message, is a fairly simple and quick process.
1. Log into your Blogger dashboard and go to Layout. Click on Add a Gadget. Add the "Elements" with the Gadget "HTML/JavaScript". You can also add to Post and Pages.
Default code:
<div class=" alert Class "> Text </div>
Class: Add the Class.
Text: Add your Text.
Code Class:
Solid Color
Class to change the solid color of the Message.
1. solid-primary
2. solid-dark
3. solid-secondary
4. solid-light
5. solid-success
6. solid-danger
7. solid-warning
8. solid-info
Outline Color
Class to change the outline color of the Message.
1. outline-primary
2. outline-dark
3. outline-secondary
4. outline-light
5. outline-success
6. outline-danger
7. outline-warning
8. outline-info
Flat Color
Class to change the flat color of the Message.
1. flat-primary
2. flat-dark
3. flat-secondary
4. flat-light
5. flat-success
6. flat-danger
7. flat-warning
8. flat-info
Fontawesome
1. Go to Fontawesome > Clic on the Icon. Copy the Code.
Code a Copy
<div class=" alert fa-play "> Text </div>
2. Paste it next to the class.